Most Reliable Pressure Washer from Simpson



1.Simpson PS4240-S PowerShot Gas Pressure WasherBenefits

The Simpson PS4240-S PowerShot is definitely the best pressure washer with Honda engine.

The machine comes with a robust AAA industrial triplex plunger pump.

The pressure washer ships with high quality components and accessories.

The spray wand enables you to achieve customized cleaning.

This machine also offers problem-free mobility.



One of the Simpson PS4240-S PowerShot gas pressure washer reviews suggests that the wand has to be squeezed to relieve the pressure after use and when the engine is off, as it can become difficult to disconnect the pressure washer hose from the machine.


Buy from Amazon for ($979)



Benefits Explained

Outfitted with a powerful Honda GX390 OHV commercial series engine, this best pressure washer from Simpson Cleaning runs smoothly and delivers high output. The technologically advanced 4-stroke, 389-cc engine starts easily. Its overhead valve design offers high efficiency and reliability. The engine has an innovative Oil Alert System that shuts it down when the oil level runs low. The cast iron cylinder housing the engine lasts longer. The engine itself meets CARB and EPA Emission Standards, serving as your guarantee of environment-friendly use. Backed by a three-year commercial limited warranty, the Simpson PS4240-S PowerShot gas pressure washer is built to last.

2.Simpson PS4240-S PowerShot Gas Pressure Washer

Geared with a strong AAA industrial triplex plunger pump, the Simpson PS4240-S PowerShot gas pressure washer delivers consistent performance. The industrial triplex pump has an adjustable unloader that enables you to choose the settings, along with a forged brass head to help it withstand high pressure. The pump’s ceramic pistons ensure long life. The Thermal relief system shields the pump against overheating. The triple pump is supported by a five-year commercial limited warranty as a testament to its quality construction.


Constructed using heavy-grade components, the Simpson PS4240-S PowerShot gas pressure washer boasts a welded steel build that ensures durability and solidity. The axle is made of solid steel for reliably long life. Equipped with quick connectors, the high-pressure steel-braided hose is kink- and abrasion-resistant and also non-marring. The steel engine plate and pneumatic tires are not only built for effortless maneuverability but are also designed to last. The spray wand is made of professional-grade steel for even more durability. The compact yet highly efficient pressure washer is engineered to provide the solution to a cleaning professionals’ needs even in the harshest environments.


The pro-style steel spray wand ships with five stainless steel quick connect nozzle tips that deliver good impact and cleaning performance. Choose from 0, 15, 25 and 40 degree and the soap applicator. The spray wand is the perfect accessory for contractors who undertake wood restoration, graffiti removal, deck cleaning and other professional cleaning applications. The pump is geared with the exclusive PowerBoost technology that delivers higher pressure level at the nozzle to tackle virtually any cleaning task. A siphon tube enables hassle-free detergent application. Nozzle storage is also onboard.


Built for performance, durability and convenience, the Simpson PS4240-S PowerShot gas pressure washer is furnished with 13-inch pneumatic tires to help it roll easily into place, making mobility more effortless.



Simplify your cleaning tasks with the Simpson PS4240-S PowerShot gas pressure washer. This premium quality machine boasts exceptional cleaning performance and a solid build with topnotch components. Geared with an engine designed to be environment friendly, the Simpson PS4240-S PowerShot gas pressure washer performs pressure cleaning tasks without significantly harming the environment. Because it’s gas powered, the machine provides sustained cleaning capability.


Buy from Amazon for ($979)